package com.relytosoft.mizar.analyze.gateway.config;

import com.relytosoft.mizar.analyze.gateway.handler.SentinelFallbackHandler;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Jierry
 * @version 2022/3/31.
 */
@Configuration
public class GatewayConfig {

    @Bean
    @Order(Ordered.HIGHEST_PRECEDENCE)
    public SentinelFallbackHandler sentinelGatewayExceptionHandler() {
        return new SentinelFallbackHandler();
    }

    @Bean
    public CorsWebFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 允许访问的客户端域名
        List<String> allowedOriginPatterns = new ArrayList<>();
        allowedOriginPatterns.add("*");
        config.setAllowedOriginPatterns(allowedOriginPatterns);
//    config.addAllowedOrigin(serverPort);
        // 允许服务端访问的客户端请求头
        config.addAllowedHeader("*");
        // 允许访问的方法名,GET POST等
        config.addAllowedMethod("*");
        // 对接口配置跨域设置
        source.registerCorsConfiguration("/**", config);
        return new CorsWebFilter(source);
    }

}
